Incorporation of potassium at CuPc/ C60 interface for photovoltaic application

Chuan Feng Shih, Kuang Teng Hung, Hui Ju Chen, Chu Yun Hsiao, Kuan Ta Huang, Szu Hung Chen

研究成果: Article同行評審

10 引文 斯高帕斯(Scopus)

摘要

This letter demonstrates the effect of potassium (K) doping at the donor-acceptor interface of CuPc/ C60 -based organic solar cells. Power conversion efficient (PCE) doubled when a little K was doped into the CuPc/ C60 interface and the device was postannealed (75 °C, 10 min). Changes in binding energies, depletion capacitance, and mobilities of electrons and holes were investigated. The marked improvement of PCE arose mostly from the increase in short-circuit current, owing to the modified charge transfer process.

原文English
文章編號113307
期刊Applied Physics Letters
98
發行號11
DOIs
出版狀態Published - 2011 3月 14

All Science Journal Classification (ASJC) codes

  • 物理與天文學(雜項)

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